/Engine/Source/Editor/UnrealEd/Public/PlayInEditorDataTypes.h
struct FSlatePlayInEditorInfo
TWeakPtr< class...
DestinationSlateViewport
The slate viewport that should be used for play in viewport
TWeakObjectPtr<...
EditorPlayer
The spawned player for updating viewport location from player when pie closes
TWeakPtr< class...
SlatePlayInEditorWindow
The current play in editorSWindowif playing in a floating window
TSharedPtr< cla...
SlatePlayInEditorWindowViewport
The current play in editor rendering and I/O viewport if playing in a floating window